A water basin fixed to a wall or floor and having a drainpipe and generally a piped supply of water. A cesspool. A sinkhole. A natural or artificial means of absorbing or removing a substance or a form of energy from a system. A place regarded as wicked and corrupt: That city is a sink of corruption. Origin of sink
Card shark, especially in American English,is often simply a term for someone who spends a lot of time playing cards. Both terms are sometimes hyphenated, and theyâre sometimes condensed into a single compound wordâcardsharp or cardshark. But the two-word, unhyphenated forms are more common in edited publications.
Dogfish Shark Placoid Scales. Dogfish sharks are small sharks belonging to one of three families: the dogfish shark family, Squalidae; the requiem shark family, Carcharhinidae; and the cat shark family, Scyliorhinidae.he green dogfish, along with several other members of the dogfish shark family, is luminescent. Scales are small plates that form part of the skin of certain animals. They provide protection from the environment and from predators. Sharks have placoid scales, bony, spiny projections with an enamel-like covering.